Source: Curium does not exist in nature. It is a synthetic element and it is produced in nuclear reactors by bombarding plutonium with neutrons. Isotopes: Curium has 15 isotopes whose half-lives are known, with mass numbers 238 to 252. Curium has no naturally occurring isotopes.
2017 Rolls-Royce Ghost Series II. Everything in life is relative, and perhaps no car illustrates this point as effectively as the Rolls-Royce Ghost. While it's technically the entry-level Rolls-Royce model, the Ghost's $250,000 base price puts it in the stratosphere of the overall automotive market.
A new Rolls Royce will cost between $300,000 and $400,000. A used one from the 70's to 80's ish is in reality quite affordable. Not even the Rolls is immune to depreiciation. About 6k to 10k for a 1970's to 80's silver shadow. 1990's Rolls are still quite expensive.